Function clearSessionCaches

src/commands/clear/caches.ts:47–144

(
  preservedAgentIds: ReadonlySet<string> = new Set(),
)

 *   intact since it cannot be safely scoped to the main session.
 */
export function clearSessionCaches(
  preservedAgentIds: ReadonlySet<string> = new Set(),
): void {
  const hasPreserved = preservedAgentIds.size > 0
  // Clear context caches
  getUserContext.cache.clear?.()
  getSystemContext.cache.clear?.()
  getGitStatus.cache.clear?.()
  getSessionStartDate.cache.clear?.()
  // Clear file suggestion caches (for @ mentions)
  clearFileSuggestionCaches()

  // Clear commands/skills cache
  clearCommandsCache()

  // Clear prompt cache break detection state
  if (!hasPreserved) resetPromptCacheBreakDetection()

  // Clear system prompt injection (cache breaker)
  setSystemPromptInjection(null)

  // Clear last emitted date so it's re-detected on next turn
  setLastEmittedDate(null)

  // Run post-compaction cleanup (clears system prompt sections, microcompact tracking,
  // classifier approvals, speculative checks, and — for main-thread compacts — memory
  // files cache with load_reason 'compact').
  runPostCompactCleanup()
  // Reset sent skill names so the skill listing is re-sent after /clear.
  // runPostCompactCleanup intentionally does NOT reset this (post-compact
  // re-injection costs ~4K tokens), but /clear wipes messages entirely so
  // the model needs the full listing again.
  resetSentSkillNames()
  // Override the memory cache reset with 'session_start': clearSessionCaches is called
  // from /clear and --resume/--continue, which are NOT compaction events. Without this,
  // the InstructionsLoaded hook would fire with load_reason 'compact' instead of
  // 'session_start' on the next getMemoryFiles() call.
  resetGetMemoryFilesCache('session_start')

  // Clear stored image paths cache
  clearStoredImagePaths()

  // Clear all session ingress caches (lastUuidMap, sequentialAppendBySession)
  clearAllSessions()
  // Clear swarm permission pending callbacks
  if (!hasPreserved) clearAllPendingCallbacks()

  // Clear tungsten session usage tracking
  if (process.env.USER_TYPE === 'ant') {
    void import('../../tools/TungstenTool/TungstenTool.js').then(
      ({ clearSessionsWithTungstenUsage, resetInitializationState }) => {
        clearSessionsWithTungstenUsage()
        resetInitializationState()
      },
    )
  }
  // Clear attribution caches (file content cache, pending bash states)
  // Dynamic import to preserve dead code elimination for COMMIT_ATTRIBUTION feature flag